The HD PENTAX DA Limited lenses have treatments of SP and HD coating, which helps reduce flare and ghosting. All five lens models have also been upgraded with completely rounded aperture diaphragms which should provide for a smooth bokeh effect.

“Ricoh Imaging continues to innovate and improve all aspects of photography,” said Jim Malcolm, Executive Vice President, Ricoh Imaging. “With an industry-leading 24 APS-C optimized lenses our family of K-mount DSLRs and lenses provides consumers with a system that has been fine-tuned and meticulously architected for optimal image output. And, with enhancements like HD coating, we are continuously helping consumers achieve more technically sound images.”

The lenses will be available for purchase in a choice of black or silver starting in September 2013 with the following MSRPs: